Orbital elements of SL-8 R/B
| Launched | 26 February 1990 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 20509 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2025 Sep 12 17:57 | 2025 Sep 03 00:32:31 | 82.9489 | 0.00442 | 17.5837 | 64.0406 | 296.5293 | 13.75850 | 5.243 |
| 2025 Sep 11 17:57 | 2025 Sep 03 00:32:31 | 82.9489 | 0.00442 | 17.5837 | 64.0406 | 296.5293 | 13.75850 | 5.243 |
| 2025 Sep 10 17:56 | 2025 Sep 03 00:32:31 | 82.9489 | 0.00442 | 17.5837 | 64.0406 | 296.5293 | 13.75850 | 5.243 |
| 2025 Sep 08 17:57 | 2025 Sep 03 00:32:31 | 82.9489 | 0.00442 | 17.5837 | 64.0406 | 296.5293 | 13.75850 | 5.243 |
| 2025 Sep 07 17:56 | 2025 Sep 03 00:32:31 | 82.9489 | 0.00442 | 17.5837 | 64.0406 | 296.5293 | 13.75850 | 5.243 |
| 2025 Sep 06 20:41 | 2025 Sep 03 00:32:31 | 82.9489 | 0.00442 | 17.5837 | 64.0406 | 296.5293 | 13.75850 | 5.243 |
| 2025 Sep 03 17:57 | 2025 Sep 03 00:32:31 | 82.9489 | 0.00442 | 17.5837 | 64.0406 | 296.5293 | 13.75850 | 5.243 |
| 2025 Sep 02 17:56 | 2025 Aug 27 14:57:01 | 82.9493 | 0.00443 | 17.8999 | 81.4156 | 296.5293 | 13.75850 | 5.243 |
| 2025 Sep 01 17:56 | 2025 Aug 27 14:57:01 | 82.9493 | 0.00443 | 17.8999 | 81.4156 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 31 17:56 | 2025 Aug 27 14:57:01 | 82.9493 | 0.00443 | 17.8999 | 81.4156 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 30 17:56 | 2025 Aug 27 14:57:01 | 82.9493 | 0.00443 | 17.8999 | 81.4156 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 29 17:56 | 2025 Aug 27 14:57:01 | 82.9493 | 0.00443 | 17.8999 | 81.4156 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 28 17:57 | 2025 Aug 27 14:57:01 | 82.9493 | 0.00443 | 17.8999 | 81.4156 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 27 17:56 | 2025 Aug 23 04:29:00 | 82.9500 | 0.00444 | 18.1191 | 93.4255 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 26 17:56 | 2025 Aug 23 04:29:00 | 82.9500 | 0.00444 | 18.1191 | 93.4255 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 25 17:56 | 2025 Aug 23 04:29:00 | 82.9500 | 0.00444 | 18.1191 | 93.4255 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 24 17:56 | 2025 Aug 23 04:29:00 | 82.9500 | 0.00444 | 18.1191 | 93.4255 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 23 17:56 | 2025 Aug 23 04:29:00 | 82.9500 | 0.00444 | 18.1191 | 93.4255 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 22 17:56 | 2025 Aug 18 12:46:47 | 82.9506 | 0.00444 | 18.3490 | 106.0196 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 20 17:56 | 2025 Aug 18 12:46:47 | 82.9506 | 0.00444 | 18.3490 | 106.0196 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 19 17:56 | 2025 Aug 18 12:46:47 | 82.9506 | 0.00444 | 18.3490 | 106.0196 | 296.5293 | 13.75850 | 5.243 |
| 2025 Aug 18 17:56 | 2025 Aug 18 12:46:47 | 82.9506 | 0.00444 | 18.3490 | 106.0196 | 296.5293 | 13.75850 | 5.243 |